An Authoring Tool to Develop and Display Courseware in a 3D Learning Environment. - Venustiano Soancatl; María-Luisa Cruz; Lucina Torres; Andrea Herrera; Luis David Huerta; Raúl Rodríguez; Antonio León; Inti Reyes; Nubia Cabrera; Carmen Martínez (Res. Comput. Sci., 2012)